st10f272z2 STMicroelectronics, st10f272z2 Datasheet - Page 42
st10f272z2
Manufacturer Part Number
st10f272z2
Description
16-bit Mcu With 256 Kbyte Flash Memory And 20 Kbyte Ram
Manufacturer
STMicroelectronics
Datasheet
1.ST10F272Z2.pdf
(189 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
st10f272z2Q3
Manufacturer:
E-CMOS
Quantity:
10 000
Company:
Part Number:
st10f272z2Q3
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
st10f272z2T3
Manufacturer:
STMicroelectronics
Quantity:
10 000
- Current page: 42 of 189
- Download datasheet (4Mb)
Internal Flash memory
5.6
Note:
42/189
Write operation examples
In the following, examples for each kind of Flash write operation are presented.
The write operation commands must be executed from another memory (internal RAM or
external memory), as in ST10F269 device. In fact, due to IBus characteristics, it is not
possible to perform write operation in Flash while fetching code from Flash.
Moreover, direct addressing is not allowed for write accesses to IFlash control registers.
This means that both address and data for a writing operation must be loaded in one of
ST10 GPR register (R0...R15).
Write operation on IBus registers is 16 bit wide.
Example of indirect addressing mode
Word program
Example: 32-bit Word Program of data 0xAAAAAAAA at address 0x025554
Double word program
Example: Double Word Program (64-bit) of data 0x55AA55AA at address 0x035558 and
data 0xAA55AA55 at address 0x03555C in IFLASH Module.
Double Word Program is always performed on the Double Word aligned on a even Word: bit
ADD2 of FARL is ignored.
Sector erase
Example: Sector Erase of sectors B0F1 and B0F0 of Bank 0 in IFLASH Module.
MOV RWm, #ADDRESS;
MOV RWn, #DATA;
MOV [RWm], RWn;
FCR0H|= 0x2000;
FARL = 0x5554;
FARH = 0x0002;
FDR0L = 0xAAAA;
FDR0H = 0xAAAA;
FCR0H|= 0x8000;
FCR0H
FARL
FARH
FDR0L
FDR0H
FDR1L
FDR1H
FCR0H
FCR0H
FCR1L
FCR0H
|= 0x8000;
|= 0x0800;
|= 0x0003;
|= 0x8000;
|= 0x1000;
= 0x5558;
= 0x0003;
= 0x55AA;
= 0x55AA;
= 0xAA55;
= 0xAA55;
/*Load Add in RWm*/
/*Load Data in RWn*/
/*Indirect addressing*/
/*Set WPG in FCR0H*/
/*Load Add in FARL*/
/*Load Add in FARH*/
/*Load Data in FDR0L*/
/*Load Data in FDR0H*/
/*Operation start*/
/*Set DWPG/
/*Load Add in FARL*/
/*Load Add in FARH*/
/*Load Data in FDR0L*/
/*Load Data in FDR0H*/
/*Load Data in FDR1L*/
/*Load Data in FDR1H*/
/*Operation start*/
/*Set SER in FCR0H*/
/*Set B0F1, B0F0*/
/*Operation start*/
ST10F272Z2
Related parts for st10f272z2
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Encapsulated Dc-dc Converter
Manufacturer:
Arch Electronics
Datasheet:
Part Number:
Description:
16-BIT MCU WITH 32K BYTE ROM
Manufacturer:
STMICROELECTRONICS [STMicroelectronics]
Datasheet:
Part Number:
Description:
Encapsulated DC-DC Converter
Manufacturer:
ARCH [Arch Electronics Corp.]
Datasheet:
Part Number:
Description:
Isolated and Regulated 10 Watt Modular DC/DC Converters
Manufacturer:
ASTRODYNE [Astrodyne Corporation]
Datasheet:
Part Number:
Description:
IC FLASH MEM 256KBIT 144-PQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 16BIT ROMLESS LV 100TQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 16BIT ROMLESS LV 100-TQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 16BIT 832KBIT FLASH 144-TQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 16BIT 256K FLASH 144PQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
IC MCU 16BIT ROMLESS 144-PQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
IC MCU 16BIT LV ROMLESS 100-TQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 16BIT 256K FLASH 144PQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 16BIT 512K FLASH MAC 208-PBG
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 16BIT 832KBIT FLASH 144-PQFP
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
MCU 16BIT 256KBIT FLASH 144-TQFP
Manufacturer:
STMicroelectronics
Datasheet: